| 沁水盆地煤层气成藏主控因素与成藏模式分析 |
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| 引用本文： | 黄孝波,赵佩,董泽亮,郭曼,钱铮,刘建军.沁水盆地煤层气成藏主控因素与成藏模式分析[J].中国煤炭地质,2014(2):12-17. |
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| 作者姓名： | 黄孝波 赵佩 董泽亮 郭曼 钱铮 刘建军 |
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| 作者单位： | [1]江西省煤田地质勘察研究院,江西南昌330001 [2]中国矿业大学煤炭资源与安全开采国家重点实验室,北京100083 [3]中国矿业大学地球科学与测绘工程学院,北京100083 [4]中国石油华北油田公司勘探开发研究院,河北任丘062552 |
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| 基金项目： | 国家“十二五”油气田及煤层气科技重大专项专题（2011ZX05033-004）、中央高校基本科研业务费专项（2010YM01）的联合资助. |
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| 摘 要： | 沁水盆地石炭-二叠系煤层厚度大、分布稳定、演化程度高,具有良好的煤层气勘探潜力,是目前国内首个成功商业化开发的煤层气盆地。基于研究区已有地质成果,对影响沁水盆地煤层气富集成藏的主控地质因素与成藏模式进行分析,认为构造运动、水动力条件、煤层埋深、煤岩组成及热演化程度是控制沁水盆地煤层气成藏的主要地质因素,高镜质组含量、高热演化程度、弱水动力条件和较大的埋深是煤层气成藏的有利条件,向斜是煤层气富集成藏的有利部位。
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| 关 键 词： | 煤层气 主控因素 成藏模式 向斜 沁水盆地 |
Main Controlling Factors of CBM Reservoiring and Its Mode in Qinshui Basin |
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| Huang Xiaobo,Zhao Pei,Dong Zeliang,Guo Man,Qian Zheng,Liu Jianjun.Main Controlling Factors of CBM Reservoiring and Its Mode in Qinshui Basin[J].Coal Geology of China,2014(2):12-17. |
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| Authors: | Huang Xiaobo Zhao Pei Dong Zeliang Guo Man Qian Zheng Liu Jianjun |
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| Institution: | 1. Jiangxi Provincial Coal Geological Exploration Research Institute, Nanchang, Jiangxi 330001; 2. State Key Laboratory of Coal Resources and Safe Mining, CUMTB, Beijing 100083; 3. School of Geosciences and Surveying Engineering, CUMTB, Beijing 100083; 4. Exploration and Exploitation Research Institute, PetroChina Huabei Oilfield Company, Renqiu, Hebei 062552) |
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| Abstract: | The Permo-Carboniferous coal seams in the Qinshui Basin have large thickness and stably distributed with high evolution grade and good CBM exploration potential, thus the first successfully commercial exploited CBM basin in the country. Based on available geological data in the study area, analyzed main controlling factors of CBM reservoiring and reservoir patterns in the basin, considered that the tectogenesis, hydrodynamic condition, coal buried depth, lithotype of coal and thermal evolution grade are the main controlling geological factors to impact CBM reservoiring in Qinshui Basin. While the high vitrinite content, high thermal evolution grade, weak hydrodynamic condition and rather large buried depth are advantaged conditions to CBM reservoiring; synclines are favorable setting to CBM enrichment and reservoiring. |
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